Feb. 14; 1916 
Colorado Potato Beetle 
921 
Table VI .—Record of egg deposition 
potato beetle , confined in rearing jar 
of first-generation female of pair 1 of the Colorado 
on June 27, IQ14 , and fed upon potato foliage 1 
Date. 
Number 
of eggs 
laid. 
Number 
of eggs to 
a mass. 
June 22. . 
22 
22 
23.. 
45 
45 
24.. 
II 
II 
25.. 
23 
23 
26. . 
0 
O 
27.. 
0 
O 
28.. 
44 
44 
29.. 
2 
2 
30 * • 
15 
IS 
July 1.. 
47 
47 
2. . 
27 
27 
3 ** 
0 
0 
4.. 
0 
0 
Date. 
Number 
of eggs 
laid. 
Number 
of eggs to 
amass. 
Date. 
Number 
of eggs 
laid. 
Number 
of eggs to 
amass. 
July 5... 
II 
11 
July 17... 
47 
47 
6... 
0 
0 
l8. . . 
44 
44 
7... 
19 
19 
19 . •* 
45 
45 
8... 
24 
24 
20. . . 
0 
0 
9... 
O 
0 
21. . . 
0 
0 
10... 
0 
0 
22. . . 
37 
37 
11... 
0 
0 
23 .•• 
0 
0 
12... 
0 
0 
24 ... 
0 
0 
13.. • 
22 
22 
25... 
0 
0 
14... 
0 
O 
26... 
17 
17 
15.. . 
16.. . 
0 
O 
27... 
11 
11 
0 
O 
. Total.. 
5 r 3 
1 The male in. this experiment died on June 20, the female on August 4. 
The male and female of pair 2, having been confined to the rearing 
jar on June 18, 1914, fed for a few days upon the potato foliage, after 
which they entered the ground for hibernation, the female depositing no 
eggs. 
Table VII .—Record of egg deposition of first-generation female of pair 3 of the Colorado 
potato beetle , confined in rearing jar on June IQ, 1914 , and fed upon potato foliage 
Date. 
Number 
of eggs 
laid. 
Number 
of eggs to 
amass. 
Date. 
Nnmber 
of eggs 
laid. 
Number 
of eggs to 
a mass. 
Date. 
Number 
of eggs 
laid. 
Number 
of eggs to 
amass. 
July 1... 
2. . . 
4 
0 
4 
0 
July 10... 
11... 
0 
0 
0 
0 
July 18... 
19... 
38 
18 
38 
18 
3 . • • 
3 2 
32 
12... 
0 
0 
20... 
38 
38 
4. . . 
3 ° 
30 
i 3 --- 
O 
0 
21... 
O 
0 
5 *-- 
6... 
38 
48 
38 
48 
14.. . 
15.. . 
0 
0 
0 
0 
22.. . 
23.. . 
15 
65 
*5 
65 
7.. . 
8.. . 
46 
33 
46 
33 
16.. . 
17.. . 
0 
59 
0 
22,37 
Total.. 
502 
9... 
38 
88 
1 
1 The male of this pair went into hibernation on July 20, the female on July 27. Temperatures: Maxi¬ 
mum, 102 0 F.; minimum, 5^; average, 72 
A mass of eggs which was deposited on June 30 by the female of pair 1 
hatched on July 7. The larvae became full-grown on July 23, pupated 
on July 25, and emerged as adults on July 31. Another mass of eggs 
laid on July 10 by the same female hatched on July 16, the larvae pupating 
on August 5 amd issuing as adults on August ir. 
